From: François Dumont Date: Fri, 22 Apr 2011 19:34:38 +0000 (+0200) Subject: libstdc++.exp (check_v3_target_time): Discard unused compilation result thanks to... X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=0cfbd2883812ee062b98ebc217d46e77b316d790;p=gcc.git libstdc++.exp (check_v3_target_time): Discard unused compilation result thanks to /dev/null. 2011-04-22 François Dumont * testsuite/lib/libstdc++.exp (check_v3_target_time): Discard unused compilation result thanks to /dev/null. * testsuite/lib/libstdc++.exp (check_v3_target_debug_mode check_v3_target_profile_mode check_v3_target_normal_mode check_v3_target_cstdint check_v3_target_cmath check_v3_target_atomic_builtins check_v3_target_gthreads check_v3_target_nanosleep check_v3_target_sched_yield check_v3_target_string_conversions check_v3_target_swprintf check_v3_target_binary_io): Use simple preprocessing rather than compilation. Discard unused preprocessing result thanks to /dev/null. From-SVN: r172872 --- diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog index 0c65c31f90c..4ae1278265a 100644 --- a/libstdc++-v3/ChangeLog +++ b/libstdc++-v3/ChangeLog @@ -1,3 +1,16 @@ +2011-04-22 François Dumont + + * testsuite/lib/libstdc++.exp (check_v3_target_time): Discard + unused compilation result thanks to /dev/null. + * testsuite/lib/libstdc++.exp (check_v3_target_debug_mode + check_v3_target_profile_mode check_v3_target_normal_mode + check_v3_target_cstdint check_v3_target_cmath + check_v3_target_atomic_builtins check_v3_target_gthreads + check_v3_target_nanosleep check_v3_target_sched_yield + check_v3_target_string_conversions check_v3_target_swprintf + check_v3_target_binary_io): Use simple preprocessing rather than + compilation. Discard unused preprocessing result thanks to /dev/null. + 2011-04-20 Jim Meyering * libsupc++/del_opnt.cc (operator delete): Remove useless diff --git a/libstdc++-v3/testsuite/lib/libstdc++.exp b/libstdc++-v3/testsuite/lib/libstdc++.exp index 7d77a1233d7..151c9422f0c 100644 --- a/libstdc++-v3/testsuite/lib/libstdc++.exp +++ b/libstdc++-v3/testsuite/lib/libstdc++.exp @@ -824,7 +824,6 @@ proc check_v3_target_time { } { # Set up and compile a C++ test program that tries to use # the time function set src time[pid].cc - set exe time[pid].x set f [open $src "w"] puts $f "#include " @@ -835,13 +834,12 @@ proc check_v3_target_time { } { puts $f "}" close $f - set lines [v3_target_compile $src $exe executable ""] + set lines [v3_target_compile $src /dev/null executable ""] file delete $src if [string match "" $lines] { # No error message, compilation succeeded. verbose "check_v3_target_time: compilation succeeded" 2 - remote_file build delete $exe set et_time_saved 1 } else { verbose "check_v3_target_time: compilation failed" 2 @@ -927,25 +925,21 @@ proc check_v3_target_debug_mode { } { } else { set et_debug_mode 0 - # Set up and compile a C++ test program that depends + # Set up and preprocess a C++ test program that depends # on debug mode activated. set src debug_mode[pid].cc - set exe debug_mode[pid].exe set f [open $src "w"] puts $f "#ifndef _GLIBCXX_DEBUG" puts $f "# error No debug mode" puts $f "#endif" - puts $f "int main()" - puts $f "{ return 0; }" close $f - set lines [v3_target_compile $src $exe executable ""] + set lines [v3_target_compile $src /dev/null preprocess ""] file delete $src if [string match "" $lines] { - # No error message, compilation succeeded. - remote_file build delete $exe + # No error message, preprocessing succeeded. set et_debug_mode 1 } } @@ -977,25 +971,21 @@ proc check_v3_target_profile_mode { } { } else { set et_profile_mode 0 - # Set up and compile a C++ test program that depends + # Set up and preprocess a C++ test program that depends # on profile mode activated. set src profile_mode[pid].cc - set exe profile_mode[pid].exe set f [open $src "w"] puts $f "#ifndef _GLIBCXX_PROFILE" puts $f "# error No profile mode" puts $f "#endif" - puts $f "int main()" - puts $f "{ return 0; }" close $f - set lines [v3_target_compile $src $exe executable ""] + set lines [v3_target_compile $src /dev/null preprocess ""] file delete $src if [string match "" $lines] { - # No error message, compilation succeeded. - remote_file build delete $exe + # No error message, preprocessing succeeded. set et_profile_mode 1 } } @@ -1030,17 +1020,14 @@ proc check_v3_target_normal_mode { } { # Set up and compile a C++ test program that depends # on normal mode activated. set src normal_mode[pid].cc - set exe normal_mode[pid].exe set f [open $src "w"] puts $f "#if defined(_GLIBCXX_DEBUG) || defined(_GLIBCXX_PROFILE) || defined(_GLIBCXX_PARALLEL)" puts $f "# error No normal mode" puts $f "#endif" - puts $f "int main()" - puts $f "{ return 0; }" close $f - set lines [v3_target_compile $src $exe executable ""] + set lines [v3_target_compile $src /dev/null preprocess ""] file delete $src if [string match "" $lines] { @@ -1115,28 +1102,26 @@ proc check_v3_target_cstdint { } { } else { set et_cstdint 0 - # Set up and compile a C++0x test program that depends + # Set up and preprocess a C++0x test program that depends # on the C99 stdint facilities to be available. set src cstdint[pid].cc - set exe cstdint[pid].exe set f [open $src "w"] puts $f "#include " - puts $f "int main()" - puts $f "#ifdef _GLIBCXX_USE_C99_STDINT_TR1" - puts $f "{ return 0; }" + puts $f "#ifndef _GLIBCXX_USE_C99_STDINT_TR1" + puts $f "# error No C99 stdint" puts $f "#endif" close $f set cxxflags_saved $cxxflags set cxxflags "$cxxflags $DEFAULT_CXXFLAGS -Werror" - set lines [v3_target_compile $src $exe executable ""] + set lines [v3_target_compile $src /dev/null preprocess ""] set cxxflags $cxxflags_saved file delete $src if [string match "" $lines] { - # No error message, compilation succeeded. + # No error message, preprocess succeeded. set et_cstdint 1 } else { verbose "check_v3_target_cstdint: compilation failed" 2 @@ -1173,28 +1158,26 @@ proc check_v3_target_cmath { } { } else { set et_c99_math 0 - # Set up and compile a C++0x test program that depends + # Set up and preprocess a C++0x test program that depends # on the C99 math facilities to be available. set src c99_math[pid].cc - set exe c99_math[pid].exe set f [open $src "w"] puts $f "#include " - puts $f "int main()" - puts $f "#ifdef _GLIBCXX_USE_C99_MATH_TR1" - puts $f "{ return 0; }" + puts $f "#ifndef _GLIBCXX_USE_C99_MATH_TR1" + puts $f "# error No C99 math" puts $f "#endif" close $f set cxxflags_saved $cxxflags set cxxflags "$cxxflags $DEFAULT_CXXFLAGS -Werror" - set lines [v3_target_compile $src $exe executable ""] + set lines [v3_target_compile $src /dev/null preprocess ""] set cxxflags $cxxflags_saved file delete $src if [string match "" $lines] { - # No error message, compilation succeeded. + # No error message, preprocess succeeded. set et_c99_math 1 } else { verbose "check_v3_target_c99_math: compilation failed" 2 @@ -1231,28 +1214,26 @@ proc check_v3_target_atomic_builtins { } { } else { set et_atomic_builtins 0 - # Set up and compile a C++0x test program that depends + # Set up and preprocess a C++0x test program that depends # on the atomic builtin facilities to be available. set src atomic_builtins[pid].cc - set exe atomic_builtins[pid].exe set f [open $src "w"] puts $f "#include " - puts $f "int main()" - puts $f "#ifdef _GLIBCXX_ATOMIC_BUILTINS_4" - puts $f "{ return 0; }" + puts $f "#ifndef _GLIBCXX_ATOMIC_BUILTINS_4" + puts $f "# error No atomic builtins" puts $f "#endif" close $f set cxxflags_saved $cxxflags set cxxflags "$cxxflags $DEFAULT_CXXFLAGS -Werror" - set lines [v3_target_compile $src $exe executable ""] + set lines [v3_target_compile $src /dev/null preprocess ""] set cxxflags $cxxflags_saved file delete $src if [string match "" $lines] { - # No error message, compilation succeeded. + # No error message, preprocess succeeded. set et_atomic_builtins 1 } else { verbose "check_v3_target_atomic_builtins: compilation failed" 2 @@ -1289,28 +1270,26 @@ proc check_v3_target_gthreads { } { } else { set et_gthreads 0 - # Set up and compile a C++0x test program that depends + # Set up and preprocess a C++0x test program that depends # on the gthreads facilities to be available. set src gthreads[pid].cc - set exe gthreads[pid].exe set f [open $src "w"] puts $f "#include " - puts $f "int main()" - puts $f "#ifdef _GLIBCXX_HAS_GTHREADS" - puts $f "{ return 0; }" + puts $f "#ifndef _GLIBCXX_HAS_GTHREADS" + puts $f "# error No gthread" puts $f "#endif" close $f set cxxflags_saved $cxxflags set cxxflags "$cxxflags $DEFAULT_CXXFLAGS -Werror" - set lines [v3_target_compile $src $exe executable ""] + set lines [v3_target_compile $src /dev/null preprocess ""] set cxxflags $cxxflags_saved file delete $src if [string match "" $lines] { - # No error message, compilation succeeded. + # No error message, preprocessing succeeded. set et_gthreads 1 } else { verbose "check_v3_target_gthreads: compilation failed" 2 @@ -1347,28 +1326,26 @@ proc check_v3_target_nanosleep { } { } else { set et_nanosleep 0 - # Set up and compile a C++0x test program that depends + # Set up and preprocess a C++0x test program that depends # on the nanosleep facilities to be available. set src nanosleep[pid].cc - set exe nanosleep[pid].exe set f [open $src "w"] puts $f "#include " - puts $f "int main()" - puts $f "#ifdef _GLIBCXX_USE_NANOSLEEP" - puts $f "{ return 0; }" + puts $f "#ifndef _GLIBCXX_USE_NANOSLEEP" + puts $f "# error No nanosleep" puts $f "#endif" close $f set cxxflags_saved $cxxflags set cxxflags "$cxxflags $DEFAULT_CXXFLAGS -Werror" - set lines [v3_target_compile $src $exe executable ""] + set lines [v3_target_compile $src /dev/null preprocess ""] set cxxflags $cxxflags_saved file delete $src if [string match "" $lines] { - # No error message, compilation succeeded. + # No error message, preprocessing succeeded. set et_nanosleep 1 } else { verbose "check_v3_target_nanosleep: compilation failed" 2 @@ -1405,28 +1382,26 @@ proc check_v3_target_sched_yield { } { } else { set et_sched_yield 0 - # Set up and compile a C++0x test program that depends + # Set up and preprocess a C++0x test program that depends # on the sched_yield facility to be available. set src sched_yield[pid].cc - set exe sched_yield[pid].exe set f [open $src "w"] puts $f "#include " - puts $f "int main()" - puts $f "#ifdef _GLIBCXX_USE_SCHED_YIELD" - puts $f "{ return 0; }" + puts $f "#ifndef _GLIBCXX_USE_SCHED_YIELD" + puts $f "# error No sched yield" puts $f "#endif" close $f set cxxflags_saved $cxxflags set cxxflags "$cxxflags $DEFAULT_CXXFLAGS -Werror" - set lines [v3_target_compile $src $exe executable ""] + set lines [v3_target_compile $src /dev/null preprocess ""] set cxxflags $cxxflags_saved file delete $src if [string match "" $lines] { - # No error message, compilation succeeded. + # No error message, preprocessing succeeded. set et_sched_yield 1 } else { verbose "check_v3_target_sched_yield: compilation failed" 2 @@ -1463,28 +1438,26 @@ proc check_v3_target_string_conversions { } { } else { set et_string_conversions 0 - # Set up and compile a C++0x test program that depends + # Set up and preprocess a C++0x test program that depends # on the string_conversions facilities to be available. set src string_conversions[pid].cc - set exe string_conversions[pid].exe set f [open $src "w"] puts $f "#include " - puts $f "int main()" - puts $f "#if defined(_GLIBCXX_USE_C99) && !defined(_GLIBCXX_HAVE_BROKEN_VSWPRINTF)" - puts $f "{ return 0; }" + puts $f "#if !defined(_GLIBCXX_USE_C99) || defined(_GLIBCXX_HAVE_BROKEN_VSWPRINTF)" + puts $f "# error No string conversions" puts $f "#endif" close $f set cxxflags_saved $cxxflags set cxxflags "$cxxflags $DEFAULT_CXXFLAGS -Werror" - set lines [v3_target_compile $src $exe executable ""] + set lines [v3_target_compile $src /dev/null preprocess ""] set cxxflags $cxxflags_saved file delete $src if [string match "" $lines] { - # No error message, compilation succeeded. + # No error message, preprocessing succeeded. set et_string_conversions 1 } else { verbose "check_v3_target_string_conversions: compilation failed" 2 @@ -1521,28 +1494,26 @@ proc check_v3_target_swprintf { } { } else { set et_swprintf 0 - # Set up and compile a C++0x test program that depends + # Set up and preprocess a C++0x test program that depends # on a standard swprintf function to be available. set src swprintf[pid].cc - set exe swprintf[pid].exe set f [open $src "w"] puts $f "#include " - puts $f "int main()" - puts $f "#if !defined(_GLIBCXX_HAVE_BROKEN_VSWPRINTF)" - puts $f "{ return 0; }" + puts $f "#if defined(_GLIBCXX_HAVE_BROKEN_VSWPRINTF)" + puts $f "# error No swprintf" puts $f "#endif" close $f set cxxflags_saved $cxxflags set cxxflags "$cxxflags $DEFAULT_CXXFLAGS -Werror" - set lines [v3_target_compile $src $exe executable ""] + set lines [v3_target_compile $src /dev/null preprocess ""] set cxxflags $cxxflags_saved file delete $src if [string match "" $lines] { - # No error message, compilation succeeded. + # No error message, preprocessing succeeded. set et_swprintf 1 } else { verbose "check_v3_target_swprintf: compilation failed" 2 @@ -1579,28 +1550,26 @@ proc check_v3_target_binary_io { } { } else { set et_binary_io 0 - # Set up and compile a C++0x test program that depends + # Set up and preprocess a C++0x test program that depends # on text and binary I/O being the same. set src binary_io[pid].cc - set exe binary_io[pid].exe set f [open $src "w"] puts $f "#include " - puts $f "int main()" - puts $f "#if !defined(_GLIBCXX_HAVE_DOS_BASED_FILESYSTEM)" - puts $f "{ return 0; }" + puts $f "#if defined(_GLIBCXX_HAVE_DOS_BASED_FILESYSTEM)" + puts $f "# error No binary io" puts $f "#endif" close $f set cxxflags_saved $cxxflags set cxxflags "$cxxflags $DEFAULT_CXXFLAGS -Werror" - set lines [v3_target_compile $src $exe executable ""] + set lines [v3_target_compile $src /dev/null preprocess ""] set cxxflags $cxxflags_saved file delete $src if [string match "" $lines] { - # No error message, compilation succeeded. + # No error message, preprocessing succeeded. set et_binary_io 1 } else { verbose "check_v3_target_binary_io: compilation failed" 2